Season 4 Episode 17 episode 17

Blue Bloods Season 4 Episode 17 “Knockout Game” Photos

Blue Bloods Season 4 Episode 17 “Knockout Game” Photos

104559_d0164bOn the March 14th installment of Blue Bloods, Danny and Baez investigate when an expectant mother is a victim of a “knockout game,” in which teenagers punch unsuspecting civilians in the head.

RELATED | Blue Bloods Season 4 Episode 17 “Knockout Game” Guide

Check out the sneak peek images released by CBS for "Knockout Game" in the gallery below:

Source: CBS